org.springframework.data.gemfire.config.annotation.Jsr107CacheAnnotationsCacheNameResolverFactory Maven / Gradle / Ivy
/*
* Copyright 2019-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.gemfire.config.annotation;
import java.util.Collections;
import java.util.Set;
import org.springframework.util.ClassUtils;
/**
* Factory class used to construct an instance of the {@link Jsr107CacheAnnotationsCacheNameResolver} if and only if
* the JSR-107, JCache API lib is on the application classpath.
*
* @author John Blum
* @see org.springframework.data.gemfire.config.annotation.Jsr107CacheAnnotationsCacheNameResolver
* @since 2.2.0
*/
class Jsr107CacheAnnotationsCacheNameResolverFactory {
private final boolean jcacheApiPresent;
Jsr107CacheAnnotationsCacheNameResolverFactory() {
this.jcacheApiPresent =
ClassUtils.isPresent("javax.cache.annotation.CacheResult", getClass().getClassLoader());
}
CachingDefinedRegionsConfiguration.CacheNameResolver create() {
return this.jcacheApiPresent
? new Jsr107CacheAnnotationsCacheNameResolver()
: new NoOpCacheNameResolver();
}
private static class NoOpCacheNameResolver implements CachingDefinedRegionsConfiguration.CacheNameResolver {
@Override
public Set resolveCacheNames(Class type) {
return Collections.emptySet();
}
}
}